<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<link rel="help" href="https://github.com/whatwg/html/pull/9144">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<body>
<script>
test(() => {
  const xmlDoc = document.implementation.createDocument(null, 'root', null);
  assert_equals(xmlDoc.contentType, 'application/xml');
  const innerDoc = xmlDoc.documentElement;
  const html = '<div id="target">target</div><div anchor="target">anchored</div>';
  innerDoc.innerHTML = html;
  assert_equals(innerDoc.innerHTML, html);
  const target = innerDoc.children[0];
  const anchored = innerDoc.children[1];

  assert_equals(anchored.anchorElement, target, 'Setting the anchor attribute in XML should work.');

  anchored.anchorElement = target;
  assert_equals(anchored.anchorElement, target, 'Setting element.anchorElement in an XML document should work.');
});
</script>
